gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2018 CMCC. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.mso.bpmn.infrastructure.scripts
  22
  23 import org.camunda.bpm.engine.delegate.DelegateExecution
  24 import org.json.JSONArray
  25 import org.json.JSONObject;
  26
  27 import org.openecomp.mso.bpmn.common.scripts.AbstractServiceTaskProcessor
  28 import org.openecomp.mso.bpmn.common.scripts.ExceptionUtil
  29 import org.openecomp.mso.bpmn.core.json.JsonUtils
  30
  31 import org.camunda.bpm.engine.delegate.BpmnError
  32 import org.camunda.bpm.engine.runtime.Execution
  33 import org.codehaus.jackson.map.ObjectMapper
  34
  35 import org.openecomp.mso.rest.RESTClient
  36 import org.openecomp.mso.rest.RESTConfig
  37 import org.openecomp.mso.rest.APIResponse;
  38
  39 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.ScaleResource
  40 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.ScaleNsByStepsData
  41 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.ScaleNsData
  42
  43 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.NSResourceInputParameter
  44 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.NsOperationKey
  45 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.NsScaleParameters
  46 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.NsParameters
  47 import org.openecomp.mso.bpmn.infrastructure.vfcmodel.LocationConstraint
  48
  49
  50 /**
  51  * This groovy class supports the <class>DoScaleVFCNetworkServiceInstance.bpmn</class> process.
  52  * flow for VFC Network Service Scale
  53  */
  54 public class DoScaleVFCNetworkServiceInstance extends AbstractServiceTaskProcessor {
  55
  56     String host = "http://mso.mso.testlab.openecomp.org:8080"
  57
  58     String scaleUrl = "/vfc/rest/v1/vfcadapter/ns/{nsInstanceId}/scale"
  59
  60     String queryJobUrl = "/vfc/rest/v1/vfcadapter/jobs/{jobId}"
  61
  62     ExceptionUtil exceptionUtil = new ExceptionUtil()
  63
  64     JsonUtils jsonUtil = new JsonUtils()
  65
  66     /**
  67      * Pre Process the BPMN Flow Request
  68      * Inclouds:
  69      * generate the nsOperationKey
  70      * generate the nsParameters
  71      */
  72     public void preProcessRequest(DelegateExecution execution) {
  73         def isDebugEnabled = execution.getVariable("isDebugLogEnabled")
  74         utils.log("DEBUG", " *** preProcessRequest() *** ", isDebugEnabled)
  75
  76         List<NSResourceInputParameter> nsRIPList = convertScaleNsReq2NSResInputParamList(execution)
  77         String requestJsonStr = ""
  78         int size = nsRIPList.size()
  79         for (int i = 0; i < size; i++) {
  80             NSResourceInputParameter nsRIP = nsRIPList.get(i)
  81
  82             if (i == size - 1) {
  83                 requestJsonStr += objectToJsonStr(nsRIP)
  84             } else {
  85                 requestJsonStr += objectToJsonStr(nsRIP) + "|"
  86             }
  87         }
  88
  89         execution.setVariable("reqBody", requestJsonStr)
  90
  91         utils.log("DEBUG", " ***** Exit preProcessRequest *****", isDebugEnabled)
  92     }
  93
  94     /**
  95      * scale NS task
  96      */
  97     public void scaleNetworkService(DelegateExecution execution) {
  98         def isDebugEnabled = execution.getVariable("isDebugLogEnabled")
  99
 100         String saleNsRequest = execution.getVariable("reqBody")
 101         String[] nsReqStr = saleNsRequest.split("\\|")
 102
 103         for (int i = 0; i < nsReqStr.length; i++) {
 104             JSONObject reqBodyJsonObj = new JSONObject(nsReqStr[i])
 105             String nsInstanceId = reqBodyJsonObj.getJSONObject("nsScaleParameters").getString("nsInstanceId")
 106             reqBodyJsonObj.getJSONObject("nsScaleParameters").remove("nsInstanceId")
 107             String reqBody = reqBodyJsonObj.toString()
 108
 109             String url = host + scaleUrl.replaceAll("\\{nsInstanceId\\}", nsInstanceId)
 110
 111             APIResponse apiResponse = postRequest(execution, url, reqBody)
 112
 113             String returnCode = apiResponse.getStatusCode()
 114             String aaiResponseAsString = apiResponse.getResponseBodyAsString()
 115             String jobId = "";
 116             if (returnCode == "200" || returnCode == "202") {
 117                 jobId = jsonUtil.getJsonValue(aaiResponseAsString, "jobId")
 118             }
 119             utils.log("INFO", "scaleNetworkService get a ns scale job Id:" + jobId, isDebugEnabled)
 120             execution.setVariable("jobId", jobId)
 121
 122             String isScaleFinished = ""
 123
 124             // query the requested network service scale status, if finished, then start the next one, otherwise, wait
 125             while (isScaleFinished != "finished" && isScaleFinished != "error"){
 126                 timeDelay()
 127                 queryNSProgress(execution)
 128                 isScaleFinished = execution.getVariable("operationStatus")
 129             }
 130         }
 131     }
 132
 133     /**
 134      * query NS task
 135      */
 136     private void queryNSProgress(DelegateExecution execution) {
 137         String jobId = execution.getVariable("jobId")
 138         String url = host + queryJobUrl.replaceAll("\\{jobId\\}", jobId)
 139
 140         NsOperationKey nsOperationKey = new NsOperationKey()
 141         // is this net work service ID or E2E service ID?
 142         nsOperationKey.setServiceId(execution.getVariable("serviceId"))
 143         nsOperationKey.setServiceType(execution.getVariable("serviceType"))
 144         nsOperationKey.setGlobalSubscriberId(execution.getVariable("globalSubscriberId"))
 145         nsOperationKey.setNodeTemplateUUID(execution.getVariable("nodeTemplateUUID"))
 146         nsOperationKey.setOperationId(execution.getVariable("operationId"))
 147         String queryReqBody = objectToJsonStr(nsOperationKey)
 148
 149         APIResponse apiResponse = postRequest(execution,url, queryReqBody)
 150
 151         String returnCode = apiResponse.getStatusCode()
 152         String aaiResponseAsString = apiResponse.getResponseBodyAsString()
 153
 154         String operationStatus = "error"
 155
 156         if (returnCode == "200") {
 157             operationStatus = jsonUtil.getJsonValue(aaiResponseAsString, "responseDescriptor.status")
 158         }
 159
 160         execution.setVariable("operationStatus", operationStatus)
 161     }
 162
 163     /**
 164      * delay 5 sec
 165      *
 166      */
 167     private void timeDelay() {
 168         try {
 169             Thread.sleep(5000)
 170         } catch (InterruptedException e) {
 171             taskProcessor.utils.log("ERROR", "Time Delay exception" + e, isDebugEnabled)
 172         }
 173     }
 174
 175     /**
 176      * finish NS task
 177      */
 178     public void finishNSScale(DelegateExecution execution) {
 179         //no need to do anything util now
 180         System.out.println("Scale finished.")
 181     }
 182
 183     /**
 184      * post request
 185      * url: the url of the request
 186      * requestBody: the body of the request
 187      */
 188     private APIResponse postRequest(DelegateExecution execution, String url, String requestBody){
 189         def isDebugEnabled = execution.getVariable("isDebugLogEnabled")
 190         utils.log("INFO"," ***** Started Execute VFC adapter Post Process *****",  isDebugEnabled)
 191         utils.log("INFO","url:"+url +"\nrequestBody:"+ requestBody,  isDebugEnabled)
 192         APIResponse apiResponse = null
 193         try{
 194             RESTConfig config = new RESTConfig(url)
 195             RESTClient client = new RESTClient(config).addHeader("Content-Type", "application/json").addHeader("Authorization","Basic QlBFTENsaWVudDpwYXNzd29yZDEk")
 196 //            RESTClient client = new RESTClient(config).addHeader("Content-Type", "application/json").addHeader("Accept","application/json").addHeader("Authorization","Basic QlBFTENsaWVudDpwYXNzd29yZDEk")
 197             apiResponse = client.httpPost(requestBody)
 198             utils.log("INFO","response code:"+ apiResponse.getStatusCode() +"\nresponse body:"+ apiResponse.getResponseBodyAsString(),  isDebugEnabled)
 199             utils.log("INFO","======== Completed Execute VF-C adapter Post Process ======== ",  isDebugEnabled)
 200         }catch(Exception e){
 201             utils.log("ERROR","Exception occured while executing VFC Post Call. Exception is: \n" + e,  isDebugEnabled)
 202             throw new BpmnError("MSOWorkflowException")
 203         }
 204         return apiResponse
 205     }
 206
 207     /**
 208      * create a Scale Resource object list from a NSScaleRequestJso nString
 209      * This method is for the specific request from Scale Network Service BPMN workflow
 210      * @param nsScaleRequestJsonString , a specific request Json string which conform to ?? class
 211      * @return List < ScaleResource >
 212      */
 213     private List<ScaleResource> jsonGetNsResourceList(String nsScaleRequestJsonString) {
 214         List<ScaleResource> list = new ArrayList<ScaleResource>()
 215         JSONObject jsonObject = new JSONObject(nsScaleRequestJsonString)
 216
 217         JSONObject jsonResource = jsonObject.getJSONObject("service")
 218         JSONArray arr = jsonResource.getJSONArray("resources")
 219
 220         for (int i = 0; i < arr.length(); i++) {
 221             JSONObject tempResource = arr.getJSONObject(i)
 222             ScaleResource resource = new ScaleResource()
 223             resource.setResourceInstanceId(tempResource.getString("resourceInstanceId"))
 224             resource.setScaleType(tempResource.getString("scaleType"))
 225
 226             JSONObject jsonScaleNsData = tempResource.getJSONObject("scaleNsData")
 227             JSONObject jsonScaleNsByStepData = jsonScaleNsData.getJSONObject("scaleNsByStepsData")
 228
 229             ScaleNsData scaleNsData = new ScaleNsData()
 230             ScaleNsByStepsData stepsData = new ScaleNsByStepsData()
 231
 232             stepsData.setAspectId(jsonScaleNsByStepData.getString("aspectId"))
 233             stepsData.setScalingDirection(jsonScaleNsByStepData.getString("scalingDirection"))
 234             stepsData.setNumberOfSteps(Integer.parseInt(jsonScaleNsByStepData.getString("numberOfSteps")))
 235
 236             scaleNsData.setScaleNsByStepsData(stepsData)
 237             resource.setScaleNsData(scaleNsData)
 238             list.add(resource)
 239         }
 240
 241         return list
 242     }
 243
 244     /**
 245      * Convert a java class to JSON string
 246      * @param obj
 247      * @return
 248      */
 249     private String objectToJsonStr(Object obj) {
 250         ObjectMapper mapper = new ObjectMapper()
 251         String jsonStr = null
 252         try {
 253             jsonStr = mapper.writeValueAsString(obj)
 254         } catch (IOException ioe) {
 255             System.out.println(ioe.getMessage())
 256         }
 257         return jsonStr
 258
 259     }
 260
 261     /**
 262      * create a NSResourceInputParameter list from a Scale Network request Json string
 263      * @return
 264      */
 265     private List<NSResourceInputParameter> convertScaleNsReq2NSResInputParamList(DelegateExecution execution) {
 266         String saleNsRequest = execution.getVariable("bpmnRequest")
 267
 268         //String requestId = execution.getVariable("msoRequestId")
 269         //String serviceInstanceId = execution.getVariable("serviceInstanceId")
 270         String serviceInstanceName = execution.getVariable("serviceInstanceName")
 271         //String nodeTemplateUUID = execution.getVariable("nodeTemplateUUID")
 272         String serviceType = execution.getVariable("serviceType")
 273         String globalSubscriberId = execution.getVariable("globalSubscriberId")
 274         String operationId = execution.getVariable("operationId")
 275         String serviceId = execution.getVariable("serviceId")
 276         String nsServiceDescription = execution.getVariable("requestDescription")
 277
 278         String resource = JsonUtils.getJsonValue(saleNsRequest, "service.resources")
 279
 280         // set nsScaleParameters properties
 281         List<ScaleResource> scaleResourcesList = jsonGetNsResourceList(saleNsRequest)
 282         List<NSResourceInputParameter> nsResourceInputParameterList = new ArrayList<NSResourceInputParameter>()
 283
 284         for (ScaleResource sr : scaleResourcesList) {
 285             NSResourceInputParameter nsResourceInputParameter = new NSResourceInputParameter()
 286             NsOperationKey nsOperationKey = new NsOperationKey()
 287             NsParameters nsParameters = new NsParameters()
 288             NsScaleParameters nsScaleParameters = new NsScaleParameters()
 289             nsParameters.setLocationConstraints(new ArrayList<LocationConstraint>())
 290             nsParameters.setAdditionalParamForNs(new HashMap<String, Object>())
 291
 292             // set NsOperationKey properties
 293             nsOperationKey.setGlobalSubscriberId(globalSubscriberId)
 294             nsOperationKey.setServiceId(serviceId)
 295             nsOperationKey.setServiceType(serviceType)
 296             // for ns scale the resourceInstanceId is the nodeTemplateUUID
 297             nsOperationKey.setNodeTemplateUUID(sr.getResourceInstanceId())
 298             nsOperationKey.setOperationId(operationId)
 299
 300             nsScaleParameters.setScaleType(sr.getScaleType())
 301             nsScaleParameters.setNsInstanceId(sr.getResourceInstanceId())
 302
 303             ScaleNsByStepsData scaleNsByStepsData = new ScaleNsByStepsData()
 304             scaleNsByStepsData.setScalingDirection(sr.getScaleNsData().getScaleNsByStepsData().getScalingDirection())
 305             scaleNsByStepsData.setNumberOfSteps(sr.getScaleNsData().getScaleNsByStepsData().getNumberOfSteps())
 306             scaleNsByStepsData.setAspectId(sr.getScaleNsData().getScaleNsByStepsData().getAspectId())
 307
 308             List<ScaleNsByStepsData> scaleNsByStepsDataList = new ArrayList<ScaleNsByStepsData>()
 309             scaleNsByStepsDataList.add(scaleNsByStepsData)
 310             nsScaleParameters.setScaleNsByStepsData(scaleNsByStepsDataList)
 311
 312             nsResourceInputParameter.setNsOperationKey(nsOperationKey)
 313             nsResourceInputParameter.setNsServiceName(serviceInstanceName)
 314             nsResourceInputParameter.setNsServiceDescription(nsServiceDescription)
 315             nsResourceInputParameter.setNsParameters(nsParameters)
 316             nsResourceInputParameter.setNsScaleParameters(nsScaleParameters)
 317
 318             nsResourceInputParameterList.add(nsResourceInputParameter)
 319         }
 320         return nsResourceInputParameterList
 321     }
 322 }
 323